# NxTrendlineDef Class

Namespace: [Qlik.Engine](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.htm)  
Assembly: Qlik.Engine.dll

Trendline input definition

## Inheritance

* System.Object
  * [AbstractStructure](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.AbstractStructure.htm)
    * NxTrendlineDef

## Syntax

```
[ValueClass]
public class NxTrendlineDef : AbstractStructure, IDisposable, INxTrendlineDef, IAbstractStructure
```

## Constructors

| Name | Description |
| --- | --- |
| [NxTrendlineDef()](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxTrendlineDef.-ctor.htm#Qlik_Engine_NxTrendlineDef__ctor) | Creates an instance of the NxTrendlineDef class |

## Properties

| Name | Description |
| --- | --- |
| [CalcR2](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxTrendlineDef.CalcR2.htm#Qlik_Engine_NxTrendlineDef_CalcR2) | Set to true to calulatate the R2 score<br><br>JSON property name: qCalcR2 |
| [ContinuousXAxis](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxTrendlineDef.ContinuousXAxis.htm#Qlik_Engine_NxTrendlineDef_ContinuousXAxis) | Set if the numerical value of x axis dimension should be used<br><br>JSON property name: qContinuousXAxis |
| [MultiDimMode](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxTrendlineDef.MultiDimMode.htm#Qlik_Engine_NxTrendlineDef_MultiDimMode) | If you have a hypercube with two dimensions and qXColIx refers to a dimension<br><br>This determines if you get one trendline of each value in the other dimension or<br><br>Or trendline based on the sum of the value in the other dimension<br><br>The sum variant is only supported when qXColIx is 0 and qMode (on the hypercube) is K or T<br><br>JSON property name: qMultiDimMode |
| [Type](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxTrendlineDef.Type.htm#Qlik_Engine_NxTrendlineDef_Type) | The type of trendline to calculate<br><br>JSON property name: qType |
| [XColIx](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxTrendlineDef.XColIx.htm#Qlik_Engine_NxTrendlineDef_XColIx) | The column in the hypercube to be used as x axis. Can point to either a dimension (numeric or text) or a measure<br><br>JSON property name: qXColIx |